Rusted tank

nickleo373
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Rusted tank

25 Oct 2015 08:36

Hey everyone
i picked up a new bike to ride around while I figure out whats wrong with my kz550. I stopped on the way home to fill it up with gas not even thinking to check the condition of the tank inside (the outside is pristine). I filled it up with new gas and rode home. I went to check the amount of fuel in the tank the next day and found the inside was full of rust. There are fuel filters leading to both carbs (it's a 71 Honda) and the bike seems to run fine as is. There are no pieces of rust floating around on top of the gas Would it be bad to run the rest of the gas out of the tank instead of wasting a full tank? What is the best way to clear the rust out of the tank?

1981 KZ550C LTD
"If you ain't first, you're last"

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missionkz
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Re: Rusted tank

25 Oct 2015 10:42

#695909

Use the search engine and type in something like "rust in gas tank".... etc... everyone has an opinion.

Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado

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bountyhunter
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Re: Rusted tank

25 Oct 2015 15:06 - 25 Oct 2015 15:09

#695941

nickleo373 wrote: Hey everyone
i picked up a new bike to ride around while I figure out whats wrong with my kz550. I stopped on the way home to fill it up with gas not even thinking to check the condition of the tank inside (the outside is pristine). I filled it up with new gas and rode home. I went to check the amount of fuel in the tank the next day and found the inside was full of rust. There are fuel filters leading to both carbs (it's a 71 Honda) and the bike seems to run fine as is. There are no pieces of rust floating around on top of the gas Would it be bad to run the rest of the gas out of the tank instead of wasting a full tank? What is the best way to clear the rust out of the tank?

You can pour the gas out into a two gallon bucket and let the rust ad sediment settle overnight then pour the clean gas off if you don't want to waste it.

Best to clean the rust out of the tank or you will have endless carb problems as the crap goes down and clogs stuff. I think people put BB's or small pebbles inside the tank and agitate it to clean rust. There is also some acid cleaners available. I used the tank Kreme kit on mine 30 years ago and it has held up but some people don't like it.

1979 KZ-750 Twin

Last edit: 25 Oct 2015 15:09 by bountyhunter.

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GregZ
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Re: Rusted tank

25 Oct 2015 15:28

#695946

Rusty in tank removal, I have tried them all.

Finally tried Apple cider Vinegar and it worked great. It took three four days and make sure you rinse with water and baking soda.
matter of fact I pick up a jug today and have some parts soaking now

here is a random utube video , there are many do a search.

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GregZ
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Re: Rusted tank

25 Oct 2015 15:35

#695948

This choke lever was solid rust. I started soaking it this morning. As you can see most is gone, I will let it soak over night and it will look new

I will post another photo tomorrow

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kz n az
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Re: Rusted tank

25 Oct 2015 16:00

#695950

I when through that about 2 wks ago. Look on about page 9 on ( How to remove rust from tank )
everyone had good advice and was very helpful. My tank looks really great now.

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